VIM-818 Enable key repeat on Mac OS X every time it gets reset by the OS

src/com/maddyhome/idea/vim/VimPlugin.java

@@ -186,6 +186,7 @@ public class VimPlugin implements ApplicationComponent, PersistentStateComponent
     search.saveData(element);
     history.saveData(element);
     key.saveData(element);
+    editor.saveData(element);
 
     return element;
   }
@@ -211,6 +212,7 @@ public class VimPlugin implements ApplicationComponent, PersistentStateComponent
     search.readData(element);
     history.readData(element);
     key.readData(element);
+    editor.readData(element);
   }
 
   @NotNull
@@ -368,19 +370,23 @@ public class VimPlugin implements ApplicationComponent, PersistentStateComponent
   private void updateState() {
     if (isEnabled() && !ApplicationManager.getApplication().isUnitTestMode()) {
       boolean requiresRestart = false;
-      if (previousStateVersion < 2 && SystemInfo.isMac) {
+      if (SystemInfo.isMac) {
         final MacKeyRepeat keyRepeat = MacKeyRepeat.getInstance();
         final Boolean enabled = keyRepeat.isEnabled();
-        if (enabled == null || !enabled) {
+        final Boolean isKeyRepeat = editor.isKeyRepeat();
+        if ((enabled == null || !enabled) && (isKeyRepeat == null || isKeyRepeat)) {
           if (Messages.showYesNoDialog("Do you want to enable repeating keys in Mac OS X on press and hold " +
                                        "(requires restart)?\n\n" +
                                        "(You can do it manually by running 'defaults write -g " +
                                        "ApplePressAndHoldEnabled 0' in the console).", IDEAVIM_NOTIFICATION_TITLE,
-                                       Messages.getQuestionIcon()
-          ) == Messages.YES) {
+                                       Messages.getQuestionIcon()) == Messages.YES) {
+            editor.setKeyRepeat(true);
             keyRepeat.setEnabled(true);
             requiresRestart = true;
           }
+          else {
+            editor.setKeyRepeat(false);
+          }
         }
       }
       if (previousStateVersion > 0 && previousStateVersion < 3) {

src/com/maddyhome/idea/vim/group/EditorGroup.java

@@ -16,6 +16,7 @@ import com.maddyhome.idea.vim.helper.*;
 import com.maddyhome.idea.vim.option.OptionChangeEvent;
 import com.maddyhome.idea.vim.option.OptionChangeListener;
 import com.maddyhome.idea.vim.option.Options;
+import org.jdom.Element;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
@@ -34,6 +35,7 @@ public class EditorGroup {
   private boolean isBlockCursor = false;
   private boolean isAnimatedScrolling = false;
   private boolean isRefrainFromScrolling = false;
+  private Boolean isKeyRepeat = null;
 
   private final CaretListener myLineNumbersCaretListener = new CaretAdapter() {
     @Override
@@ -163,6 +165,38 @@ public class EditorGroup {
     }
   }
 
+  public void saveData(@NotNull Element element) {
+    if (isKeyRepeat != null) {
+      final Element editor = new Element("editor");
+      element.addContent(editor);
+      final Element keyRepeat = new Element("key-repeat");
+      keyRepeat.setAttribute("enabled", Boolean.toString(isKeyRepeat));
+      editor.addContent(keyRepeat);
+    }
+  }
+
+  public void readData(@NotNull Element element) {
+    final Element editor = element.getChild("editor");
+    if (editor != null) {
+      final Element keyRepeat = editor.getChild("key-repeat");
+      if (keyRepeat != null) {
+        final String enabled = keyRepeat.getAttributeValue("enabled");
+        if (enabled != null) {
+          isKeyRepeat = Boolean.valueOf(enabled);
+        }
+      }
+    }
+  }
+
+  @Nullable
+  public Boolean isKeyRepeat() {
+    return isKeyRepeat;
+  }
+
+  public void setKeyRepeat(@Nullable Boolean value) {
+    this.isKeyRepeat = value;
+  }
+
   private static class LineNumbersGutterProvider implements TextAnnotationGutterProvider {
     private boolean isEnabled;